Italy: projects/activities

Directory entires that have specified Italy as the primary or lead country for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. To see the full list of countries, see the countries list. The specified country may not be the geographic region where the activity is taking place - to select a geographic region, see the list of regions.

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Displaying: 1 - 2 of 2
1. ISACCO(Ionospheric Scintillations Arctic Campaign Coordinated Observations)

The polar ionosphere is sensible to the enhancement of the electromagnetic radiation and energetic particles coming from the Sun expecially around a maximum of solar activity . Some typical phenomena can occur such as, among the others, geomagnetic storms, sub-storms and ionospheric irregularities. In this frame the high latitude ionosphere may become highly turbulent showing the presence of small-scale (from centimetres to meters) structures or irregularities imbedded in the large-scale (tens of kilometers) ambient ionosphere. These irregularities produce short term phase and amplitude fluctuations in the carrier of the radio waves which pass through them. These effects are commonly called Amplitude and Phase Ionospheric Scintillations that can affect the reliability of GPS navigational systems and satellite communications. The goal of this proposal is to contribute to the understanding of the physical mechanisms responsible of the ionospheric scintillations as well as to data collecting for nowcasting/forecasting purposes at high latitude. As the scarceness of polar observations, the specific site near Ny-Ålesund is of particular experimental interest.

Mapping Geophysics Modelling Arctic Atmosphere ionospheric scintillation and TEC (Total Electron Content) monitoring.
2. Sun-Earth Interaction: Auroral Observations from Svalbard Islands with “ITACA”, ITalian All-sky-Camera for Auroral observations

Observation of the high latitude auroral activity, during the winter season, by means of automatic all-sky camera(s). Study of the high-latitude auroral activity, focusing on the so-called “dayside auroras”: a particular phenomenon concerning the direct precipitation of the thermalised solar wind plasma through the geomagnetic cusps, favourably observable from the Svalbard. The analysis of the data, mainly devoted to the “dayside auroras”, will concern the comparison of the optical images obtained from both the station of Ny-Alesund and the new one of Daneborg (Greenland) with the data collected by Wind, ACE, DSMP, Polar, and Cluster satellites. Starting from the 2002 season, the joint auroral observations from Ny-Alesund and Daneborg allows the monitoring of a relevant area involved in the “dayside aurora” phenomena.

Atmospheric processes "dayside auroras" high-latitude auroral observation Geophysics Modelling Arctic magnetic substorm Data management Atmosphere auroral oval ITACA²